Problems

1 – 44 of 44

Problem Title Likes Solvers Difficulty

Problem 640. Getting logical indexes

Created by: Doug Hull

Tags indexing, logical indexing, ml101

1054

Problem 2012. Tony's trick for duplicating an mx1 vector n times

Created by: Ted

Tags indexing, duplicating vectors

Problem 56453. Multiply each matrix element by its row index and add its column index.

Created by: Stefan Abendroth

Tags indexing, matrix manipulation

Problem 1844. Create a v-notch vector without "sort" function

Created by: Swapnali Gujar

Tags indexing, sorting, vector elements

Problem 44496. vector indexes for a matrix

Created by: Kodavati Mahendra

Tags matrices, indexing, vector

Problem 45483. Where do the maximum number belongs within a 3-D matrix?

Created by: Syed Shahed

Tags indexing, basics, 3-d matrix

Problem 44500. Find the starting index of a consecutive condition

Created by: Shaul Salomon

Tags vectors, indexing

Problem 44797. Cannibal eating odd and even numbered men

Created by: PE

Tags indexing

Problem 51740. Find all the indices when a value repetition occurs

Created by: Armando Longobardi

Tags indexing, vector

Problem 3108. Don't Try, give up and return NaN.

Created by: Jan Orwat

Tags indexing, basic matlab, nan

Problem 1911. Find the index of the first occurrence of a value in a matrix

Created by: Saurabh Harsh

Tags indexing

Problem 1430. Create an n-by-n null matrix and fill with ones certain positions

Created by: Daniel Pereira

Tags indexing, matrix, sparse

511

Problem 824. Set the array elements whose value is 13 to 0

Created by: Aurelien Queffurust

Tags indexing, logical, logical indexing

1320

Problem 867. Replicate elements in vectors

Created by: Jean-Marie Sainthillier

Tags vectors, indexing, basic matlab

1128

Problem 44706. The Deadly Sin

Created by: Aamod Garg

Tags indexing, maximum, difference

Problem 45197. find subscripts from linear index

Created by: Asif Newaz

Tags indexing

Problem 589. Matrix indexing with two vectors of indices

Created by: Nicholas Howe

Tags basic, matlab 101, indexing

694

Problem 818. Change a specific color in an image

Created by: Matthew Eicholtz

Tags indexing, matrix manipulation, image processing

Problem 555. "Low : High - Low : High - Turn around " -- Create a subindices vector

Created by: Freddy

Tags indexing, colon operator, basic matlab

514

Problem 52462. Easy Sequences 1: Find the index of an element

Created by: Ramon Villamangca

Tags easy, indexing, sequences

Problem 44949. Find the Best Hotels

Created by: Pooja Lalan

Tags indexing, logical

6559

Problem 6. Select every other element of a vector

Created by: Cody Team

Tags vectors, matlab 101, indexing

174

29631

Problem 8079. Create a fixed format text output

Created by: Gareth Lee

Tags indexing, matlab, string

Problem 649. Return the first and last characters of a character array

Created by: @bmtran (Bryant Tran)

Tags matlab 101, indexing, basic matlab

8108

Problem 645. Getting the indices from a vector

Created by: Doug Hull

Tags indexing, basic matlab, ml101

7883

Problem 44947. Find the Oldest Person in a Room

Created by: Pooja Lalan

Tags indexing, function

120

14379

Problem 2648. Ulam spiral 2: The revenge

Created by: Giuseppe Cardillo

Tags indexing, matrix manipulation, plot

Problem 45758. Mo money, mo math 1! (★★★)

Created by: Anirban Pal

Tags indexing, matrix

Problem 1699. Find last zero for each column

Created by: Matthew Eicholtz

Tags indexing, matrix manipulation

441

Problem 1203. Reference Index Number

Created by: Nicholas Howe

Tags indexing

213

Problem 44945. Calculate BMI

Created by: Pooja Lalan

Tags indexing, matrix manipulation

7570

243

Problem 42875. Assignment Problem

Created by: Jerivington

Tags indexing, statistics, assignment

Problem 9. Who Has the Most Change?

Created by: Cody Team

Tags indexing, stupid, notice the rignt sequence of money!

8430

Problem 44958. Crop an Image

Created by: Pooja Lalan

Tags indexing, matrix manipulation, image

6016

Problem 44960. Rescale Scores

Created by: Pooja Lalan

Tags indexing, matrix manipulation, modify matrix

5153

Problem 792. Set some matrix elements to zero

Created by: Aurelien Queffurust

Tags indexing, matrix

502

Problem 50. QWERTY coordinates

Created by: Cody Team

Tags indexing

2009

Problem 44952. Find MPG of Lightest Cars

Created by: Pooja Lalan

Tags indexing, sorting, table

5330

Problem 59. Pattern matching

Created by: Cody Team

Tags indexing

2494

Problem 875. Return a list sorted by number of consecutive occurrences

Created by: Jean-Marie Sainthillier

Tags vectors, indexing

342

Problem 57540. Repeatitive Summation

Created by: Dyuman Joshi

Tags indexing, sum, array

1 – 44 of 44

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